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		<meta charset="utf-8">
		<title>菜鸟教程(runoob.com)</title>
	</head>
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		<!--print_start-->
		<p>点击这个按钮，来调用带参数的函数。</p>
		<!--print_end-->
		<button onclick="doPrint()">点击这里</button>
		<script src="./doprint.js" type="text/javascript">
			
		</script>

	</body>
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